Check the turning torque required to turn the pinion gear with an inch/lb. torque wrench. If it's not above 20 in/lbs. or so there shouldn't be a problem with a slight amount of extra pinion nut torque.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!